sneds nseds sends esnds nesds ensds sndes nsdes sdnes dsnes ndses dnses sedns esdns sdens dsens edsns desns nedss endss ndess dness ednss denss snesd nsesd sensd esnsd nessd enssd snsed nssed ssned ssned nssed snsed sesnd essnd ssend ssend essnd sesnd nessd enssd nsesd snesd esnsd sensd sndse nsdse sdnse dsnse ndsse dnsse snsde nssde ssnde ssnde nssde snsde sdsne dssne ssdne ssdne dssne sdsne ndsse dnsse nsdse sndse dsnse sdnse sedsn esdsn sdesn dsesn edssn dessn sesdn essdn ssedn ssedn essdn sesdn sdsen dssen ssden ssden dssen sdsen edssn dessn esdsn sedsn dsesn sdesn nedss endss ndess dness ednss denss nesds ensds nseds sneds esnds sends ndses dnses nsdes sndes dsnes sdnes edsns desns esdns sedns dsens sdens
Note: these 'words' (valid or invalid) are all the permutations of the word sneds. These words are obtained by scrambling the letters in sneds.